例句與造句

1. Viewed from the buccal the buccal cusp tip is centered mesiodistally.
2. Cusp ridges are ridges that radiate from cusp tips.
3. They are usually used when tooth destruction is less than half the distance between cusp tips.
4. The lingual ridge extends from the cingulum to the cusp tip on the lingual surface of most canines.
5. Triangular ridges are those that project from the cusp tips of premolar and molars to the central groove.
6. It's difficult to find cusp tip in a sentence. 用cusp tip造句挺難的